Public domain photos

The image shows a close up of a rock with a bunch of brown algae on it. The algae is a vibrant green color, and the rock is a light gray. The water is visible in the background, and there are a few other objects scattered around the rock.

The image shows a close up of a rock with a bunch of brown algae on it. The algae is a vibrant green color, and the rock is a light gray. The water is visible in the background, and there are a few other objects scattered around the rock.Open in library